Daily Sunspot Evaluation
Observation Sheet Friday, 27 June 1980
There is no typed record for this day. The values below were read by computer from the table on the sheet; when in doubt, see the drawing. Details →
- Number of groups (g)
- 12
- Number of spots (f)
- 62
- Relative number (R)
- 182
- Observer
- TÖ
- Reading
- all checks consistent
- File
- 19800627.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AKK – 2 | 14 | 50W | 163 | 53W | 0.5 | |
| 2 | DJO – 4 | 13 | 06E | 107 | 03E | 5 | |
| 3 | HEK – 6 | 17 | 43E | 70 | 40E | 3.5 | |
| 4 | AKK – 1 | 9 | 78E | 35 | 75E | - | |
| 5 | DAO – 2 | -21 | 61W | 174 | 64W | 11.5 | |
| 6 | FKO – 17 | -28 | 52W | 165 | 55W | 23 | |
| 7 | EAO – 14 | -24 | 45W | 158 | 48W | 13 | |
| 8 | HEK – 3 | -13 | 12W | 125 | 15W | 4 | |
| 9 | CJO – 4 | -8 | 04W | 117 | 07W | 8.5 | |
| 10 | ARE – 5 | -13 | 00 | 113 | 03W | 0.5 | |
| 11 | CAO – 2 | -18 | 47E | 66 | 44E | 5 | |
| 12 | AKK – 2 | -9 | 74E | 39 | 71E | 2 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.